HCA Houston Healthcare Conroe is proud to have professionals who excel in their fields as our facility directors and members of our leadership team and board of trustees.

Meet our leadership team


Matt Davis, FACHE, has been the Chief Executive Officer of HCA Houston Healthcare Conroe since September 2013. As CEO, Davis is responsible for overseeing the operations and strategic direction of HCA Houston Healthcare Conroe, which is a comprehensive, regional, tertiary referral center with 342 beds, 1,200 employees and more than 400 physicians on staff.

Davis has more than 12 years of healthcare experience in the investor-owned sector. Davis joined HCA Houston Healthcare Conroe from North Florida Regional Medical Center, an HCA-affiliated hospital, where he was Chief Operating Officer for six years.

Davis, a Fellow of the American College of Healthcare Executives (FACHE), received his bachelor’s degree from DePauw University, and his master’s degree from Indiana University.

The father of five lives in Montgomery and is active in a variety of community organizations, including being a member of Leadership Montgomery County and is on the Board of Directors for the Conroe/Lake Conroe Area Chamber of Commerce.

Our senior staff

Dr. Lawrence Verfurth,
Chief Medical Officer

Chase Redden,
Chief Financial Officer

Diana Howell,
Vice President of Human Resources

Jerrica George,
Chief Operating Officer

Board of Trustees

The role of HCA Houston Healthcare Conroe’s board of trustees is to help evaluate the hospital’s delivery of healthcare and the development of new service lines and programs. Our board members ensure our patients are provided the most advanced technology and cost-effective healthcare close to home.

Deborah Ancona-Schultz, MD

Dr. Ancona-Schultz is a 1984 graduate of Yale College, where she majored in biology. She attended NYU School of Medicine, graduating Alpha Omega Alpha. She completed a one-year internship in medicine at NYU in 1989. Ancona-Schultz’s residency in diagnostic radiology was at Bellevue Hospital, followed by a two-year fellowship in neuroradiology at Thomas Jefferson University in Philadelphia.

Ancona-Schultz is board certified in diagnostic radiology and is a senior member of the American Society of Neuroradiology. She worked for a multispecialty clinic in Wichita Falls, Texas for four years prior to coming to Houston, at which point she served as medical director of River Oaks Imaging. She has been at HCA Houston Healthcare Conroe for more than five years, and currently serves on the Trauma Committee.

George Boyle, MD

Dr. George Boyle received his medical degree from University of Kansas, completed his residency in internal medicine and then his fellowship in cardiology at the University of Texas Medical School in Galveston. He most recently graduated with his master’s degree in liberal studies from Rice University. He is board certified by the American College of Cardiology and the American Board of Internal Medicine and has been designated as a “Top Doc” by Texas Monthly Magazine. He is the past president of the American Heart Association, Montgomery County and is also a past member of the Texas State American Heart Association Scientific Committee.

Boyle is a cardiologist affiliated with Conroe Physician Associates and has been a medical staff leader at HCA Houston Healthcare Conroe for a number of years. Dr. Boyle has served as medical director in the vascular lab and as vice chair of Cardiology. He been a member of the HCA Houston Healthcare Conroe board since April 2003.

Julie P. Martineau

Julie P. Martineau is a nonprofit consultant developing business plans, strategic plans, fund raising plans and other products to help an organization grow effectively and efficiently. She holds a Bachelor Degree in Social Work from California State University at Long Beach. Her professional career has been dedicated to building the capacity of the non-profit community.

As the chief executive officer at two local non-profits, she has expanded the number of people served and services offered by creating lasting partnerships with key community stakeholders. Ms. Martineau is an active member of several local organizations. She is the immediate past president of the Rotary Club of The Woodlands, co-chair of the Conroe Chamber of Commerce Workforce Development Committee, and a member of the board for Conroe Regional Medical Center. She has served as chair of The Woodlands Area Chamber of Commerce and the League of Women Voters of Montgomery County. She was the co-founding chair of Leadership Montgomery County. Additional leadership positions have been with the Greater Conroe Chamber of Commerce, Houston-Galveston Area Council, National Charity League Bluebonnet Chapter and United Ways of Texas. Montgomery County’s Commissioners’ Court has tapped her as their appointee to several Houston-Galveston Area Council’s committees addressing aging services, Hurricane Ike Recovery Grants and Regional Transit Planning. She is currently consulting for several local and regional non-profits and assisting other non-profit CEOs move their organizations to the next level.

She and her late husband, Russ, moved to The Woodlands in 1983 where her parents still live and has two married daughters and four grandchildren.

David Moore

David Moore is an entrepreneur and president of D. Moore Enterprises Inc., in Montgomery County. He currently owns Texan Harley-Davidson in Conroe, Harley-Davidson of The Woodlands, and Harley-Davidson of Kingwood. Prior to these ownerships, Moore retired from the Houston Fire Department in 1985 where he served as a Paramedic / Firefighter. He also owned and operated a private ambulance and medical staffing company in the Houston area. He served as a director and Chairman of the board of the Greater Conroe/Lake Conroe Area Chamber of Commerce and has been an active participant in many local associations. In 2001, Moore established Cut’N’Shoot Charities, which has become a major contributor to the Montgomery County Women’s Shelter, The Montgomery County Food Bank, and several other client based services in the Montgomery County area. He has been a resident of Montgomery County for more than 25 years.

Moore has served on the Board at HCA Houston Healthcare Conroe since April 2004.

Nimesh Patel, MD

Dr. Nimesh Patel is a 2002 graduate of Ross University School of Medicine. His completed his residency and internship in internal medicine at Good Samaritan Hospital in Cincinnati, Ohio. He is board certified in internal medicine and currently works for Montgomery Physician Associates. Patel previously worked for UHC-GHS Hospitalists and Sadler Clinic.

Patel has been on staff at HCA Houston Healthcare Conroe since 2006 and currently serves as Physician Advisor.

Desi Pesina

Desi Pesina received his bachelor of arts from Texas Tech University in 1967. He served in the U.S. Army and is retired from the Texas Department of Human Services where he held the position of Human Resources regional director. Pesina has served on the HCA Houston Healthcare Conroe board since April 2004. A resident of The Woodlands, Pesina served as a National Officer of the League of United Latin American Citizens and is a past board member of the Montgomery County Hispanic Chamber.

Danielle Scheiner

As Deputy Director of the Greater Conroe Economic Development Council, Danielle is responsible for marketing Conroe to new businesses and helping them navigate the incentive process. She received a BS in Recreation, Parks & Tourism Sciences from Texas A&M University and is a certified Professional Community and Economic Developer (PCED) through the Community Development Council. Danielle is a graduate of Economic Development Institute at the University of Oklahoma and will sit for the Certified Economic and Community Developer (CEcD) exam this year.

In addition to her service on the HCA Houston Healthcare Conroe Board of Trustees, Danielle serves as President of the Board of Directors for the Executive Women’s Alliance and recently joined the Board of Directors for New Danville, serving special needs adults. She also is a Past Chairman of the Board of Directors for the Conroe/Lake Conroe Chamber of Commerce, Past Chairman of Montgomery County United Way and Past Chairman of Leadership Montgomery County (LMC). Danielle is an active member of the LMC Alumni Association and serves on the Class Council representing the Class of 2006.

Troy A. Villarreal, President, HCA Gulf Coast Division

Troy A. Villarreal joined HCA Gulf Coast Division as President in June 2016 from Medical City Dallas Hospital, where he had been chief executive officer since October 2013. Before that, he was the chief executive officer at The Medical Center of Plano for five years.

He earned his bachelor’s degree in psychology at Texas A&M University and master’s degrees in health care administration and business administration at the University of Houston-Clear Lake. He is a fellow in the American College of Healthcare Executives.

Villarreal has a strong history of community service. He is a graduate of Leadership Plano Class 27 and formerly served on the executive committee board, strategic planning committee, and alumni committee of Leadership Plano. He also has served on the board of the Plano Chamber of Commerce as campaign cabinet chair for Collin County and as a member of the advisory board of the United Way of Greater Dallas.

Our directors

A.J. Foster, RN, Director of progressive care and telemetry

A.J. Foster started at HCA Houston Healthcare Conroe in 2006 and has 11 years of nursing experience with the majority of his career spent in critical care in the hospital. Foster is dedicated to improving patient safety and experiences while also increasing employee engagement.

Alice D. Woods, MBA, PT, Director of rehabilitation services

Alice D. Woods received her bachelor’s degree in physical therapy from the University of Texas Medical Branch. She then proceeded to earn her MBA with a concentration in healthcare management from Our Lady of the Lake University. She has more than 28 years of experience as a physical therapist in a variety of settings. Woods has been a Joint Commission Disease Specific Care Reviewer since 2010. She joined the HCA Houston Healthcare Conroe team in 2013.

Barbara Laing, Director of diagnostic imaging, radiology services

Barbara Laing earned her degree in radiology technology from St. Petersburg College and has since led medical imaging departments in for-profit and nonprofit healthcare systems across the southeast for 25 years. She is a member of the Lone Star College Radiologic Technology Program Advisory Board and an HCA Hope Fund Facility campaign coordinator. Laing has been with HCA Houston Healthcare Conroe since 2002.

Christy Anderson, MSN Ed, RN-BC, Director of clinical operations and initiatives

Christy Anderson received her associate’s degree in nursing from Alcorn State University. She continued her nursing education and received her bachelor’s degree in nursing, then her master’s degree in nursing with an emphasis in nursing education from Grand Canyon University.

Anderson has an extensive background in nursing that began in 2003. Christy’s experience has primarily been within critical care areas, including the ICU, emergency room and cardiac catheterization lab. In 2012, she began to fulfill her passion for nursing education and spent four years working full-time for Hurst Review Services where she focused on preparing nursing students to pass the NCLEX and remediating students who were unsuccessful on the NCLEX.

Anderson began working at HCA Houston Healthcare Conroe as the clinical educator. She is committed to teaching and assisting student nurses, new nurses and staff members with their transition into the hospital setting by supporting and encouraging them in where they are today and where they want to be in the future.

Darren DeSimone BSN, RN, Director of Emergency Services

Darren DeSimone began his career at HCA Houston Healthcare Conroe in 2005 as a nurse tech. He received his associate’s degree in nursing from Montgomery College and his bachelor’s degree in nursing from The University of Texas at Arlington. Born and raised in the Conroe area, DeSimone is committed to serving his community with kindness and compassion.

David Davidson, RN, Director of advanced clinical applications

David graduated from the College of Nursing at Northwestern State University. He is a registered nurse with 26 years of experience—20 of those years have been at HCA Houston Healthcare Conroe. Davidson’s background is in critical care, cardiac catheterization lab and interventional radiology. He manages HCA Houston Healthcare Conroe’s electronic healthcare records.

Elizabeth "Ann" Byerman, MSN, RN, Director of critical care

Ann Byerman earned her bachelor’s degree in nursing from Ohio University and her master’s degree in nursing from Texas Tech University. She's been in nursing for more than 25 years. Byerman has been a nurse at Conroe Regional Medical Center for more than 20 years and is committed to quality care and safety.

Janet Gammon, Medical staff services director

Janet Gammon earned associate degrees in professional office administration and medical office administration from the North Harris Montgomery Community College District. She began her career with HCA Houston Healthcare Conroe in 1996. Prior to her role as medical staff services director, she served as the executive office manager for hospital administration.

Joan Kelly, RN, Director of quality management

Joan Kelly earned her nursing degree through Methodist School of Nursing and is working toward her master’s degree at UT Arlington. She's a certified rehabilitation registered nurse, is certified in infection control and is a member of the Association of Professionals in Infection Control and Epidemiology.

Kelly has been an RN for more than 20 years and has worked at HCA Houston Healthcare Conroe for the last 15 years. She's responsible for developing and implementing hospital-wide programs for quality improvement, inpatient wound care management, infection prevention and employee health and safety.

Prior to working at HCA Houston Healthcare Conroe, she worked in many leadership roles, as well as clinical roles in a variety of hospital settings, such as physical rehabilitation for stroke, post-traumatic brain injury, orthopedics, neurology, pediatrics and the pediatric ICU.

Kelly Mohan, Laboratory director

Kelly Mohan earned her bachelor’s degree in medical technology from West Virginia University and is an ASCP-certified medical technologist. She has more than 20 years of experience in the field of laboratory science with an emphasis in microbiology. Mohan moved to Texas from Maryland in 2002 and began working for HCA Houston Healthcare Conroe in 2004.

Laura Littlejohn, Director of community and public relations

Laura Littlejohn received her bachelor’s degree in strategic communications from Oklahoma State University. She has worked in both agency and healthcare settings. Littlejohn joined the Conroe Regional Medical team as the director of community and public relations in March 2016.

Laurie Philips, Director of surgical services

Laurie Philips received her bachelor’s degree in nursing from Allen College of Nursing in Waterloo, Iowa. She has held many leadership roles within her 17 years as an operating room nurse, including roles of operating room manager, clinical nurse IV and charge nurse, as well as a captain in the U.S. Air Force. Philips joined Conroe Regional Medical Center in June 2015 and believes in advancing surgical nursing, as well as staff, patient and physician satisfaction.

Le’Qunna Johnson, Director of health information management

Le’Qunna Johnson entered the healthcare field in 2008. She is a graduate of Houston Baptist University and a current member of the National Society of Leadership and Success. She is responsible for the overall operations in health information management at HCA Houston Healthcare Conroe and serves as the facility privacy officer. Johnson is committed to maintaining the integrity and protection of patient health information.

Mary Berczy, Director of orthopedics, post-surgical and trauma

Mary Berczy earned her bachelor’s degree in nursing from the University of South Florida and her master’s degree in nursing from the University of Texas at Arlington. She has 40 years of hospital nursing experience, and she joined HCA Houston Healthcare Conroe in 2009. Berczy strives to create an environment that is conducive to learning, promotes patient safety and provides excellent patient care.

Michelle Jackson, Director of patient safety

Michelle Jackson earned her bachelor’s degree in nursing from Prairie View A&M University. She also earned a master’s degree in executive practice and healthcare leadership. Jackson has more than a decade of clinical leadership and nursing experience. She has obtained specialty certifications in neuroscience and stroke care, as well as achieved board certification as a nurse executive.

She is an active member of the National Patients Safety Foundation and actively volunteers to serve the community through the Texas Gulf Coast Association of Quality. She has been with HCA for seven years and is dedicated to delivering passionate care and improving patient care processes, culture and patient outcomes.

Mike Horger, Director of facilities management, safety officer

Mike Horger served eight years in the U.S. Army as a nuclear, biological and chemical defense specialist. Upon discharge, he started a maintenance contracting company in Lufkin, Texas. After relocating to Conroe in 2002, Horger began his career at HCA Houston Healthcare Conroe as the director of facilities management and safety officer. Mike is a member of ASHE, NFPA and holds a CHFM certification.

Minnie Washington, Director of nursing

Minnie Washington has been an employee of HCA Houston Healthcare Conroe for 25 years and specializes in medical, surgical and pediatric nursing. She received her bachelor’s degree in nursing from the University of Texas at Arlington, and she is in pursuit of a master’s degree in nursing from Chamberlain University. She is dedicated to “Service Excellence.”

Monica Sanders, MSN, RN, CEN, TCRN, Trauma director

Monica Sanders earned her associate’s degree in nursing from Lone Star College-Montgomery. Shortly after starting her career as an emergency department nurse, she was promoted to charge nurse. Sanders went on to earn her bachelor’s degree in nursing from Chamberlain College of Nursing and her master’s degree in healthcare systems management from Loyola University-New Orleans.

Sanders is a certified emergency nurse and trauma certified registered nurse. She is a member of the Emergency Nurse’s Association, the Society of Trauma Nurses, the American Trauma Society, Texas Trauma Coordinator’s Forum and the SETRAC Trauma Committee. Sanders joined the team at Conroe Regional in 2014 and was instrumental in Conroe Regional obtaining status as the Region’s first Level II Trauma Center.

O'Keefe Allen, Supply chain director

O'Keefe Allen is a graduate of Lamar University in Beaumont. He has been a supply chain director in healthcare for 28 years. Allen joined HCA in 2001 and has served has supply chain director at Conroe Regional since 2010.

Sharla Shumaker, Administrative director of the heart and vascular institute and perioperative services

Sharla Shumaker received her bachelor’s degree in nursing and her master’s degree in nursing health systems/healthcare administration from Texas Women's University in Houston. She is a member of various healthcare organizations, including the American Association for Critical Care Nurses, American Society of Cardiovascular Professionals and the American Heart Association.

Shumaker serves on numerous cardiovascular committees and was instrumental in the implementation of cardiovascular disease management programs at HCA Houston Healthcare Conroe, such as Accredited Chest Pain Center, Certified Stroke Center, Five-Star Rated Heart Failure Program and Women’s Heart Initiative.

Steve Herring, IT director

Steve Herring began his career with HCA as network administrator at The Woman’s Hospital of Texas in January of 2005. Later on, he went through the transition to the IT&S Field Operations support model where he moved to the position of senior technical analyst. In 2008, he was promoted to the IT&S zone operations manager for both Conroe Regional Medical Center and Kingwood Medical Center, and eventually, he transitioned into operations manager at HCA Houston Healthcare Conroe.

Through these positions, he has successfully led IT operations through multiple construction projects and workflow improvements to increase productivity. He has also successfully elevated customer service scores and SLAs to one of the top in HCA’s Gulf Coast Division.